General:
* Mutual: This emphasizes that both friends agreed to the terms.
* Compromise: This suggests that each friend may have given up something to reach the agreement.
* Understanding: This highlights the shared understanding reached by the friends.
* Resolution: This implies the agreement settled a disagreement or conflict.
* Settlement: This emphasizes the finality of the agreement.
* Arrangement: This implies a plan or course of action agreed upon.
More specific:
* Formal: This would apply if the agreement was written or legally binding.
* Informal: This would be used if the agreement was verbal and less structured.
* Binding: This describes an agreement that creates legal obligations.
* Voluntary: This emphasizes that the agreement was reached freely, without coercion.
Descriptive:
* Hard-fought: This describes an agreement that was difficult to achieve.
* Collaborative: This highlights that the friends worked together to reach the agreement.
* Satisfying: This suggests that the agreement is beneficial to both friends.
The best word to use will depend on the specific context and the nuance you want to convey.